Diabetes: Guava leaf tea is very beneficial for diabetics as it reduces blood sugar level and does not stimulate insulin secretion.

Dengue Fever: Boil 9 guava leaves in 5 cups of water until the amount you have in your pot reduces by half. This is great in the treatment of dengue.

Prevent Infections: In order to prevent infections, aplly crushed guava leaves on minor cuts like scrapes or abrasion. You can also prepare a tea to relieve an outer ear infection. Leave the tea to cool and then drop some of it in on the affected area.

This tea is also effective in the treatment of diarrhea and dysentry since it provides strong antimicrobial properties.

Guava leaf tea is also great for upset stomach and provides a great help in cases of food poisoning.